Secured delivery box



FIG. 1 is a front view of a secured delivery box showing my new design in an open position;

FIG. 2 is a rear view of the secured delivery box;

FIG. 3 is a right side view of the secured delivery box;

FIG. 4 is a left side view of the secured delivery box;

FIG. 5 is a top view of the secured delivery box;

FIG. 6 is a bottom view of the secured delivery box; and,

FIG. 7 is a top front side perspective view of the secured delivery box.

The broken lines shown in the drawings represent portions of the secured delivery box that form no part of the claimed design. 

CLAIM The ornamental design for a secured delivery box, as shown and described. 